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Underground cistern for rainwater

The Max Rain 20000 rainwater cistern is suitable for underground installation and has a capacity of 20,000 litres.

The cistern is equipped as standard with:

  • 70 cm telescopic shaft, DS rubber seal and DIN 1989 lid
  • Additional connection point for a suction pipe for your rainwater utilisation system
  • Lifting eyes integrated into the tank for easy installation of the tank
Cistern volume:: 20000 l
Tank shape: Round tank

The payment is uncomplicated in our store! You can find detailed info about payment and shipping here. We offer the following payment methods:

Pay online iDEAL Trustly BLIK Prepayment PayPal OXXO Multibanco

Worldwide shipping

FREE SHIPPING WITHIN GERMANY FOR ORDERS OVER €50.

Once your order has been placed, you will receive a confirmation email informing you that our shipping team has received your order. Once your order has been processed, you will receive an email notification with your tracking information. Shipping costs will not be refunded in the event of a return. We ship with:

Delivery by forwarding agent Parcel shipping Pallet delivery Delivery by WISY AG

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Rainwater filter

Vortex fine Filter WFF 300

Price on request

Vortex fine Filter WFF 300

Price on request

WFF 300 vortex fine filter with reduced height

Price on request

Pressure-tight Vortex Fine Filter WFF 300 VA

Price on request

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4-stage system

Vortex fine Filter WFF 300

Price on request

Tip
Smoothing inlet for cisterns
Variants from €75.00
Regular price: €460.00
Floating coarse intake filter for large systems
Regular price: €113.00
Overflow siphon DN 200
Regular price: €679.00

Technical data

Tank type: Round tank
Dimensions [cm]: 536 x 243 x 260
Weight [kg]: 625
Cistern volume [litres]: 20.000
Diameter of dome shaft [mm]: ø 600
material: PE (polyethylene)